Quote:
Originally Posted by Phil Payne
Working as designed. Idle is kept high to provide power steering assist until you're moving slowly enough not to be making steering inputs. The drop point is usually between 4mph and 6mph.
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I am fairly sure it didn't do that before. When it started doing it two or three years ago, I removed the ISV and cleaned it. After refitting the ISV, it seemed to be cured of this issue it for a while... now it's back! If I am moving in slow moving traffic, as I am slowing to stop, clutching in as I pull up (and at about the speeds you mentioned, perhaps lower), it drops
temporarily (I forgot to mention that before) to the 500rpm range then fluctuates a couple of times between 500 and 1000rpm, eventually stablising at 900rpm when at a standstill.